Write a sql query to create the given table.

In SQL code: Create a PL/SQL block to retrieve the name of each employee from the EMPLOYEE table and print the first initial of each name on the screen, incorporating an INDEX BY table.

Problem 9 Write a query to count the number of invoices.

I need SQL code for the following question: - Use MYSQL for coding Create a MySQL table named 'prime_test' that contains two columns. The first column is an integer named 'number' that is the primary key and cannot be NULL. The second column is a variable length string named 'is_prime' with a maximum length of 50. Write one or more insert statements that fills only the 'number' column of table 'prime_test' with the integers between 2 and 100. Write one or more update statements that sets the 'is_prime' column for each associated integer. For a prime, the column should read 'prime'. For non-primes, the column should read 'composite'. Write a final select statement to return only the 'number' column from 'prime_test' for records that are prime, ordered from largest to smallest.

Why it's useful to have index that partially sort a query if it doesn't present all of the results already sorted?

A Pivot Table is the column name with its table name. O True O False

HW2: Basic SQL 1. Write a query that will show all probation officers 2. Write a query that will show the first and last names of probation officers 3. Now write a query that shows first and last name of probation officers. Include the field prob_id but rename prob_id to probation officer ID. 4. Write a query that will show crime id, and the total charges for each crime ID. Include an alias for the total charges column called Total Charges. 5. Write a query that will concat the last and first names of criminals into one column. Add a space and comma between the last and first name of criminals. Give the column the alias Criminal Name. 6. List the last name and first name of all authors in only 1 column. Add a comma to separate the two names. 7. Run a query that will return the order#, item#, isbn, quantity, paideach. Include in the query a arithmetic operation that will total quantity and paideach. Alias the virtual column so it is labeled Item Total

PHP Using PHP write a function that does the query to select all transactions order by date desc.